In the absence of oxygen, can cells utilize the electron transport chain?
A. Yes, all cells can make use of the electron transport chain in the absence of oxygen via fermentation.
B. No, oxygen is a required cofactor for the complexes in the electron transport chain.
C. Yes, in the case that a cell can use a terminal electron acceptor other than oxygen, it can make use of the electron transport chain.
D. No, oxygen is the primary electron acceptor in electron transport chains in all cell types.
C. Yes, in the case that a cell can use a terminal electron acceptor other than oxygen, it can make use of the electron transport chain.
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